Equivalent & Substitute Parts for 4GBL01 Bridge Rectifier

Part Overview

The 4GBL01 is a three-phase bridge rectifier manufactured by Vishay General Semiconductor - Diodes Division, rated for 100 V peak reverse voltage and 4 A average rectified current. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The part is housed in a 4-SIP GBL package and operates across the temperature range of -55°C to 150°C.

Key Parameters

Parameter	Value
Diode Type	Three Phase
Voltage - Peak Reverse (Max)	100 V
Current - Average Rectified (Io)	4 A
Current - Reverse Leakage @ Vr	5 µA @ 100 V
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-SIP, GBL
Technology	Standard
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 4GBL01 is determined by the following electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Peak Reverse (Max): Must equal or exceed 100 V
Current - Average Rectified (Io): Must equal or exceed 4 A
Operating Temperature Range: Must support -55°C to 150°C
Mounting Type: Through Hole required
Package Compatibility: GBU or GBL package types acceptable

Substitution Logic: The 4GBL01 is a three-phase bridge rectifier. Single-phase bridge rectifiers with equivalent or superior voltage and current ratings are acceptable substitutes when mounted in compatible through-hole packages. The transition from three-phase to single-phase operation is permissible in applications where the rectifier topology supports this change. All substitute parts listed maintain the same operating temperature range and through-hole mounting configuration.

Parameter Comparison

Parameter	4GBL01 (Main)	GBU401	GBU2501-G	GBU401-G	GBU601-G	GBU801-G
Manufacturer	Vishay	Taiwan Semiconductor	Comchip Technology	Comchip Technology	Comchip Technology	Comchip Technology
Diode Type	Three Phase	Single Phase	Single Phase	Single Phase	Single Phase	Single Phase
Voltage - Peak Reverse (Max)	100 V	50 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	4 A	4 A	4.2 A	4 A	6 A	8 A
Current - Reverse Leakage @ Vr	5 µA @ 100 V	5 µA @ 50 V	10 µA @ 50 V	10 µA @ 100 V	10 µA @ 100 V	5 µA @ 100 V
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	4-SIP, GBL	4-ESIP, GBU	4-SIP, GBU	4-SIP, GBU	4-SIP, GBU	4-SIP, GBU
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

GBU401-G (Comchip Technology) provides the closest electrical match to the 4GBL01, with identical 100 V peak reverse voltage and 4 A current rating. This part is actively manufactured and ROHS3 compliant, making it suitable for new designs requiring regulatory compliance. The 4-SIP GBU package is mechanically compatible with the original GBL footprint in most applications.

GBU2501-G (Comchip Technology) offers 100 V voltage rating with slightly elevated current capacity (4.2 A) and is actively produced with full ROHS3 compliance. This part accommodates applications requiring marginal current headroom.

GBU601-G (Comchip Technology) and GBU801-G (Comchip Technology) provide higher current ratings (6 A and 8 A respectively) while maintaining 100 V voltage specification. These parts are suitable for applications where current margin is required or where the original design specifications allow for higher current capacity.

GBU401 (Taiwan Semiconductor) meets the 4 A current requirement but is limited to 50 V peak reverse voltage. This part is acceptable only for applications where the actual operating voltage does not exceed 50 V, despite the original 100 V specification.

All substitute parts maintain the required operating temperature range of -55°C to 150°C and through-hole mounting configuration. Selection should be based on specific application voltage and current requirements, with preference given to actively manufactured parts with current compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can GBU401 replace the 4GBL01 in all applications? A: GBU401 is limited to 50 V peak reverse voltage, compared to the 4GBL01's 100 V rating. Substitution is valid only for applications where the actual operating voltage does not exceed 50 V.

Q: What is the difference between three-phase and single-phase bridge rectifiers? A: The 4GBL01 is a three-phase rectifier, while all listed substitutes are single-phase rectifiers. Single-phase rectifiers are acceptable substitutes when the application circuit topology supports single-phase operation.

Q: Are the GBU and GBL packages mechanically interchangeable? A: Both GBU and GBL packages are 4-SIP through-hole configurations. GBU401 uses a 4-ESIP variant. Mechanical compatibility should be verified against specific PCB footprint requirements, though pin spacing is generally compatible for standard through-hole applications.

Q: Why should I choose GBU801-G over GBU401-G if both fit my circuit? A: GBU801-G provides 8 A current capacity versus 4 A for GBU401-G. Selection depends on actual circuit current requirements. Higher-rated components provide operational margin but do not improve performance in applications requiring only 4 A.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant. The original 4GBL01 is RoHS non-compliant, making compliant substitutes necessary for applications subject to RoHS regulations.

Q: What is the inventory status of substitute parts? A: GBU801-G has the highest inventory (2042 pcs), followed by GBU401 (2990 pcs), GBU2501-G (934 pcs), and GBU401-G (896 pcs). Inventory levels should be verified with suppliers for current availability.

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